/Engine/Source/Runtime/GeometryCore/Public/Spatial/PointSetHashTable.h
FPointSetHashTable builds a spatial data structure that supports efficient range queries on a point set (in FPointSetAdapterd form). The spatial data structure is currently a uniform sparse 3D grid.
class FPointSetHashtable
double
CellSize
Cell size of grid
TSparseGrid3<P...
Grid
Sparse grid, each voxel contains lists of contained points
FShiftGridIndex...
GridIndexer
Index mapping object
FVector3d
Origin
World origin of sparse grid
FPointSetAdapte...
Points
Input point set